Consolidated Statements of Changes in Shareholder's Equity (Unaudited) - DTE Electric Company - USD ($) $ in Millions	Total	Common Stock	Retained Earnings	DTE Electric	DTE Electric Common Stock	DTE Electric Additional Paid-in Capital	DTE Electric Retained Earnings
Beginning Balance (in shares) at Dec. 31, 2020		193,771,000			138,632,000
Beginning Balance at Dec. 31, 2020				$ 8,070	$ 1,386	$ 4,061	$ 2,623
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income				208			208
Dividends declared on common stock	$ (210)		$ (210)	(147)			(147)
Ending Balance (in shares) at Mar. 31, 2021		193,727,000			138,632,000
Ending Balance at Mar. 31, 2021				8,131	$ 1,386	4,061	2,684
Beginning Balance (in shares) at Dec. 31, 2020		193,771,000			138,632,000
Beginning Balance at Dec. 31, 2020				8,070	$ 1,386	4,061	2,623
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	576			446
Ending Balance (in shares) at Jun. 30, 2021		193,752,000			138,632,000
Ending Balance at Jun. 30, 2021				8,223	$ 1,386	4,061	2,776
Beginning Balance (in shares) at Mar. 31, 2021		193,727,000			138,632,000
Beginning Balance at Mar. 31, 2021				8,131	$ 1,386	4,061	2,684
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	179			238			238
Dividends declared on common stock	$ (370)		(370)	(146)			(146)
Ending Balance (in shares) at Jun. 30, 2021		193,752,000			138,632,000
Ending Balance at Jun. 30, 2021				$ 8,223	$ 1,386	4,061	2,776
Beginning Balance (in shares) at Dec. 31, 2021	193,747,509	193,748,000		138,632,324	138,632,000
Beginning Balance at Dec. 31, 2021	$ 8,705			$ 8,903	$ 1,386	4,616	2,901
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income				201			201
Dividends declared on common stock	$ (171)		(171)	(277)			(277)
Ending Balance (in shares) at Mar. 31, 2022		193,739,000			138,632,000
Ending Balance at Mar. 31, 2022				$ 8,827	$ 1,386	4,616	2,825
Beginning Balance (in shares) at Dec. 31, 2021	193,747,509	193,748,000		138,632,324	138,632,000
Beginning Balance at Dec. 31, 2021	$ 8,705			$ 8,903	$ 1,386	4,616	2,901
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 431			$ 387
Ending Balance (in shares) at Jun. 30, 2022	193,736,380	193,736,000		138,632,324	138,632,000
Ending Balance at Jun. 30, 2022	$ 8,574			$ 8,851	$ 1,386	4,616	2,849
Beginning Balance (in shares) at Mar. 31, 2022		193,739,000			138,632,000
Beginning Balance at Mar. 31, 2022				8,827	$ 1,386	4,616	2,825
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	37			186			186
Dividends declared on common stock	$ (343)		$ (343)	$ (162)			(162)
Ending Balance (in shares) at Jun. 30, 2022	193,736,380	193,736,000		138,632,324	138,632,000
Ending Balance at Jun. 30, 2022	$ 8,574			$ 8,851	$ 1,386	$ 4,616	$ 2,849